Resource exhaustion in Opcua Project
CVE-2022-25888
The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000
Affected products
- Opcua Project
- Opcua — versions 0.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.snyk.io/vuln/SNYK-RUST-OPCUA-2988751 (Patch, Third Party Advisory)
- github.com/locka99/opcua/pull/216 (Patch, Third Party Advisory)
- github.com/locka99/opcua/pull/216/commits/6fb683c5fec46c6dd347824491c4d93a229da… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-25888?
- CVE-2022-25888 is a high-severity vulnerability in Opcua Project, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2022-08-23.
- How severe is CVE-2022-25888?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-25888 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.